Fan Failure Error 54

Our company has a xerox 7700 laser printer and it has an error. Fan failure error 54, and now in every 10 minutes the same error. We are shutting down the printer and waiting then opening and after the ten min. etc. it is the same. Our workflow needs this printer to print every time and quickly. we have lots of works to do, and urgently our printer's problem must be solved. What must we do?

1 of 2 things.
You need to clean or replace the fan.
You have to remove the back, right side and top cover to access that fan.It is near the back just behind the fuser module.
It could also be the low voltage power supply fan. Most likely the fuser fan.
Once you remove the fan, there is a label on it, remove the label, There is a rubber plug behind the label, remove the plug and drip some lubricant into the fan. Reassembly and it should be ok.
I would recommend replacing the defective fan though.
Here is a very reliable part source.https://www.partsdrop.com/store/

If you call ask for Britt and specify the model number and that you need a fuser fan and probably order a Power supply fan, Neither are very expensive.
Have both on hand to be 100 percent sure the problem is resolved, But its a 90 percent fuser fan failure code. It operated in a heated area and can dry out faster.

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1 Suggested Answer

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Related Questions:

That sensor is located in the developer housing. You can either replace the sensor, or replace the developer housing, which comes with the sensor. Either way, you will need to go into diagnostics and set the value of the new ATC sensor after replacement. (You will need to replace the developer powder if you get a new developer housing)

THIS IS THE TEXT FROM THE PHASER 7700 SERVICE MANUAL, HOWEVER, SEE MY COMMENTS AT THE END OF THE QUOTE.

11 06-372 ERROR 11 LASER UNIT POLYGON MOTOR FAILURE
Note If this failure reoccurs three times successively, an Engine NVRAM
value is set preventing further printer use until the Clear Tech Rep
Fault, Clear <09-380 ~ 09-383> is run.
Remove Rear Cover (RRP 1, on page 7-154).
Disconnect P400 (see figure page 2-46) and P401 (see figure page 2-46) on the Engine Control
Board.
Inspect both connectors to determine they are fully engaged as a unit. Re-engage, if necessary.
Note The two connectors can NOT properly seat into their socket(s)
unless they are both engaged as a unit. Ensure there is no
separation.
Carefully reinsert the plugs into their joint socket and FIRMLY seat them.
Replace the Laser Unit (RRP 38, on page 7-200).
Note Whenever the mounting screws for the Laser Unit have been
loosened, it is necessary to recalibrate the unit by performing the
RegiCon Adjustment Procedure beginning on page 4-124.
If the problem persists, replace the Engine Control Board (RRP 42, on page 7-206).

This error usually means that the laser unit on the machine has failed. Just replace the laser unit part number 116-1110-00. I've bought couple of them from www.iteminconline.com. They also give good customer service for free and I think 30 day return if the part is not working. hopefully this helps

There is a motor in the laser called the polyogon motor, It turns the mirrors in the laser.
It most likely is not starting fast enough.The laser isnt that hard to remove. But if it has failed, it is pretty expensive.
Let me know if you want to attempt to pull it.

Problem:
1st BTR Contact Failure or 1st BTR Retract Failure Message is displayed after replacing the Accumulator Belt
Cause:
A Phaser 7700 Accumulator Belt was installed in a Phaser 7750. The Phaser 7700 Accumulator Belt does not have retractable 1st Bias Transfer Rollers; so these errors will be reported if one is installed in a Phaser 7750 printer.
Solution: Fixed! Did not fix.
Remove the Phaser 7700 Accumulator Belt and install a Phaser 7750 Accumulator Belt.
TRY FIRST (Solutions without parts):1. Check that all shipping restraits have been removed.

TROUBLESHOOTING TIPS AND HINTS:1. Test the 1st BTR motor in diagnostics to verify proper operation. 2. Test the 1st BTR sensor in diagnostics, then run the 1st BTR motor test and recheck the 1st BTR sensor. Sensor state should alternate between L and H. The sensor is part of the accumulator belt.

PARTS:Parts are listed in the order of highest probability for repair.NUMBER QTY DESCRIPTION116177400 1 *KIT IBT - UNIT

REPAIR/INSPECT/PREVENT PROCEDURE:1. Clean feed rollers, exit rollers and guides; replace if necessary.2. Clean feed rollers and exit rollers only when dust or debris is visible.3. Remove and clean all paper trays.4. Clean the Laser Scanner Unit window.5. Inspect the image density sensors; clean if necessary.6. Inspect the accumulator belt home sensor; clean if necessary.7. Inspect the fuser assembly; clean if necessary.8. Print the Error Log, diagnose and repair any problems as indicated.9. Print the Usage Profile, diagnose and repair any problems as indicated.10. Check version of all installed firmware; as appropriate, install the latest version of firmware.11. Check cleanliness of interior and exterior of printer, including fans; if necessary, clean (dust or vacuum) these areas.
Problem:
1st BTR Contact Failure or 1st BTR Retract Failure Message is displayed after replacing the Accumulator Belt

Error 10 is either the Laser unit failing or the Print engine eeprom needs to be replaced. Here is the link where you can download the service manual for free.
Hope this helps
http://www.eserviceinfo.com/download.php?fileid=26566